<?php
namespace app\admin\model;
use think\Model;

class Category extends Model
{
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    public function module()
    {
        return $this->belongsTo('Module');
    }
    //刷新类别的子类数量
    public function refreshChild($pid = 0){
        $ll = $this->where('pid',$pid);
        $i = count($ll);
        $this->where('itemid',$pid)->update(['child'=>$i]);
        return true;
    }
}
?>
